Which number will replace the question mark (?) in the following series?
5, 9, 18, 43, 92, 213, 382, ?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 671
Given series: 5, 9, 18, 43, 92, 213, 382, ?
5 + (2²) = 9, 9 + (32) = 18, 18 + (5²) = 43, 43 + (7²) = 92, 92 + (11²) = 213, 213 + (13²) = 382, 382 + (17²) = 671